the person of interest is wayne jackson, who died five years ago and had a history of child abuse. he was a neighbor of collins' and was considered a possible suspect at the time. >> he was detained. he was interviewed. he allowed a consent search of the same house we just did the search warrant on and a photo spread was shown to the two witnesses that described the suspect with the large black dog. and they weren't able to pick him out of the photo spread. >> the knew enough about his past. listen, they dropped the ball on this guy. >> marc klaas, whose daughter was murdered says the police department should have taken jackson more seriously back in 1984. >>> tuesday's triple murder up in sonoma county was a drug deal gone bad. the three men were shot in a cabin near forestville. one from new york, one from colorado, another local to buy marijuana. they were shot to death in a bedroom that was full of pot. >> what i hear